Saturday, January 12, 2008

Picture of the Day

Black Chasm cavern is a commercial cave in the Sierra Nevada foothills east of the Gold Rush town of Jackson. The cavern has a number of unusually beautiful speleothems owing to the difficulty of access prior to development for tourism (in essence, vandals were blocked by a 90 foot dropoff near the cave entrance). The draperies seen here are spectacular, but other cave decorations are equally grand, especially a wall filled with helictites. More information about tours can be found at http://www.caverntours.com/BlackRt.htm.

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About Me

I am a teacher of geology at Modesto Junior College and former president of the National Association of Geoscience Teachers, Far Western Section. I have led field trips all over the western United States, and a few excursions overseas, but my homebase is the Sierra Nevada, the Great Valley, and the Coast Ranges of California.